Trait rustc_query_system::query::QueryConfig

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pub trait QueryConfig<Qcx: QueryContext>: Copy {
    type Key: DepNodeParams<Qcx::DepContext> + Eq + Hash + Copy + Debug;
    type Value: Copy;
    type Cache: QueryCache<Key = Self::Key, Value = Self::Value>;

Show 18 methods // Required methods fn name(self) -> &'static str; fn format_value(self) -> fn(_: &Self::Value) -> String; fn query_state<'a>(self, tcx: Qcx) -> &'a QueryState<Self::Key> where Qcx: 'a; fn query_cache<'a>(self, tcx: Qcx) -> &'a Self::Cache where Qcx: 'a; fn cache_on_disk(self, tcx: Qcx::DepContext, key: &Self::Key) -> bool; fn execute_query(self, tcx: Qcx::DepContext, k: Self::Key) -> Self::Value; fn compute(self, tcx: Qcx, key: Self::Key) -> Self::Value; fn try_load_from_disk( self, tcx: Qcx, key: &Self::Key, prev_index: SerializedDepNodeIndex, index: DepNodeIndex, ) -> Option<Self::Value>; fn loadable_from_disk( self, qcx: Qcx, key: &Self::Key, idx: SerializedDepNodeIndex, ) -> bool; fn value_from_cycle_error( self, tcx: Qcx::DepContext, cycle_error: &CycleError, guar: ErrorGuaranteed, ) -> Self::Value; fn anon(self) -> bool; fn eval_always(self) -> bool; fn depth_limit(self) -> bool; fn feedable(self) -> bool; fn dep_kind(self) -> DepKind; fn handle_cycle_error(self) -> HandleCycleError; fn hash_result(self) -> HashResult<Self::Value>; // Provided method fn construct_dep_node( self, tcx: Qcx::DepContext, key: &Self::Key, ) -> DepNode { ... }
}

Required Associated Types§

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type Key: DepNodeParams<Qcx::DepContext> + Eq + Hash + Copy + Debug

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type Value: Copy

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type Cache: QueryCache<Key = Self::Key, Value = Self::Value>

Required Methods§

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fn name(self) -> &'static str

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fn format_value(self) -> fn(_: &Self::Value) -> String

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fn query_state<'a>(self, tcx: Qcx) -> &'a QueryState<Self::Key>
where Qcx: 'a,

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fn query_cache<'a>(self, tcx: Qcx) -> &'a Self::Cache
where Qcx: 'a,

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fn cache_on_disk(self, tcx: Qcx::DepContext, key: &Self::Key) -> bool

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fn execute_query(self, tcx: Qcx::DepContext, k: Self::Key) -> Self::Value

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fn compute(self, tcx: Qcx, key: Self::Key) -> Self::Value

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fn try_load_from_disk( self, tcx: Qcx, key: &Self::Key, prev_index: SerializedDepNodeIndex, index: DepNodeIndex, ) -> Option<Self::Value>

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fn loadable_from_disk( self, qcx: Qcx, key: &Self::Key, idx: SerializedDepNodeIndex, ) -> bool

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fn value_from_cycle_error( self, tcx: Qcx::DepContext, cycle_error: &CycleError, guar: ErrorGuaranteed, ) -> Self::Value

Synthesize an error value to let compilation continue after a cycle.

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fn anon(self) -> bool

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fn eval_always(self) -> bool

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fn depth_limit(self) -> bool

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fn feedable(self) -> bool

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fn dep_kind(self) -> DepKind

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fn handle_cycle_error(self) -> HandleCycleError

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fn hash_result(self) -> HashResult<Self::Value>

Provided Methods§

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fn construct_dep_node(self, tcx: Qcx::DepContext, key: &Self::Key) -> DepNode

Object Safety§

This trait is not object safe.

Implementors§